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Only start WebGPU thread if an adapter is requested

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This commit is contained in:
Zakor Gyula 2019-11-20 09:03:10 +01:00
parent f8c957dc1b
commit a751b1c3d7
15 changed files with 200 additions and 147 deletions
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1
components/script/dom/bindings/trace.rs
View file

@ -521,6 +521,7 @@ unsafe_no_jsmanaged_fields!(WebGLTextureId);
unsafe_no_jsmanaged_fields!(WebGLVertexArrayId);
unsafe_no_jsmanaged_fields!(WebGLVersion);
unsafe_no_jsmanaged_fields!(WebGLSLVersion);
unsafe_no_jsmanaged_fields!(RefCell<Option<WebGPU>>);
unsafe_no_jsmanaged_fields!(RefCell<Identities>);
unsafe_no_jsmanaged_fields!(WebGPU);
unsafe_no_jsmanaged_fields!(WebGPUAdapter);

41
components/script/dom/gpu.rs
View file

@ -19,9 +19,10 @@ use dom_struct::dom_struct;
use ipc_channel::ipc::{self, IpcSender};
use ipc_channel::router::ROUTER;
use js::jsapi::Heap;
use script_traits::ScriptMsg;
use std::rc::Rc;
use webgpu::wgpu;
use webgpu::{WebGPU, WebGPURequest, WebGPUResponse, WebGPUResponseResult};
use webgpu::{WebGPUResponse, WebGPUResponseResult};
#[dom_struct]
pub struct GPU {
@ -38,10 +39,6 @@ impl GPU {
pub fn new(global: &GlobalScope) -> DomRoot<GPU> {
reflect_dom_object(Box::new(GPU::new_inherited()), global, GPUBinding::Wrap)
}
fn wgpu_channel(&self) -> Option<WebGPU> {
self.global().as_window().webgpu_channel()
}
}
pub trait AsyncWGPUListener {
@ -114,7 +111,8 @@ impl GPUMethods for GPU {
options: &GPURequestAdapterOptions,
comp: InCompartment,
) -> Rc<Promise> {
let promise = Promise::new_in_current_compartment(&self.global(), comp);
let global = &self.global();
let promise = Promise::new_in_current_compartment(global, comp);
let sender = response_async(&promise, self);
let power_preference = match options.powerPreference {
Some(GPUPowerPreference::Low_power) => wgpu::instance::PowerPreference::LowPower,
@ -123,21 +121,21 @@ impl GPUMethods for GPU {
},
None => wgpu::instance::PowerPreference::Default,
};
let ids = self.global().as_window().Navigator().create_adapter_ids();
let ids = global.as_window().Navigator().create_adapter_ids();
match self.wgpu_channel() {
Some(channel) => {
channel
.0
.send(WebGPURequest::RequestAdapter(
sender,
wgpu::instance::RequestAdapterOptions { power_preference },
ids,
))
.unwrap();
},
None => promise.reject_error(Error::Type("No WebGPU thread...".to_owned())),
};
let script_to_constellation_chan = global.script_to_constellation_chan();
if script_to_constellation_chan
.send(ScriptMsg::RequestAdapter(
sender,
wgpu::instance::RequestAdapterOptions { power_preference },
ids,
))
.is_err()
{
promise.reject_error(Error::Type(
"Failed to send adapter request to constellation...".to_owned(),
));
}
promise
}
}
@ -145,9 +143,10 @@ impl GPUMethods for GPU {
impl AsyncWGPUListener for GPU {
fn handle_response(&self, response: WebGPUResponse, promise: &Rc<Promise>) {
match response {
WebGPUResponse::RequestAdapter(name, adapter) => {
WebGPUResponse::RequestAdapter(name, adapter, channel) => {
let adapter = GPUAdapter::new(
&self.global(),
channel,
DOMString::from(format!("{} ({:?})", name, adapter.0.backend())),
Heap::default(),
adapter,

27
components/script/dom/gpuadapter.rs
View file

@ -23,11 +23,13 @@ use dom_struct::dom_struct;
use js::jsapi::{Heap, JSObject};
use std::ptr::NonNull;
use std::rc::Rc;
use webgpu::{wgpu, WebGPUAdapter, WebGPURequest, WebGPUResponse};
use webgpu::{wgpu, WebGPU, WebGPUAdapter, WebGPURequest, WebGPUResponse};
#[dom_struct]
pub struct GPUAdapter {
reflector_: Reflector,
#[ignore_malloc_size_of = "channels are hard"]
channel: WebGPU,
name: DOMString,
#[ignore_malloc_size_of = "mozjs"]
extensions: Heap<*mut JSObject>,
@ -36,12 +38,14 @@ pub struct GPUAdapter {
impl GPUAdapter {
pub fn new_inherited(
channel: WebGPU,
name: DOMString,
extensions: Heap<*mut JSObject>,
adapter: WebGPUAdapter,
) -> GPUAdapter {
GPUAdapter {
reflector_: Reflector::new(),
channel,
name,
extensions,
adapter,
@ -50,12 +54,15 @@ impl GPUAdapter {
pub fn new(
global: &GlobalScope,
channel: WebGPU,
name: DOMString,
extensions: Heap<*mut JSObject>,
adapter: WebGPUAdapter,
) -> DomRoot<GPUAdapter> {
reflect_dom_object(
Box::new(GPUAdapter::new_inherited(name, extensions, adapter)),
Box::new(GPUAdapter::new_inherited(
channel, name, extensions, adapter,
)),
global,
GPUAdapterBinding::Wrap,
)
@ -89,12 +96,15 @@ impl GPUAdapterMethods for GPUAdapter {
let id = window
.Navigator()
.create_device_id(self.adapter.0.backend());
match window.webgpu_channel() {
Some(thread) => thread
.0
.send(WebGPURequest::RequestDevice(sender, self.adapter, desc, id))
.unwrap(),
None => promise.reject_error(Error::Type("No WebGPU thread...".to_owned())),
if self
.channel
.0
.send(WebGPURequest::RequestDevice(sender, self.adapter, desc, id))
.is_err()
{
promise.reject_error(Error::Type(
"Failed to send RequestDevice message...".to_owned(),
));
}
} else {
promise.reject_error(Error::Type("No WebGPU thread...".to_owned()))
@ -109,6 +119,7 @@ impl AsyncWGPUListener for GPUAdapter {
WebGPUResponse::RequestDevice(device_id, _descriptor) => {
let device = GPUDevice::new(
&self.global(),
self.channel.clone(),
&self,
Heap::default(),
Heap::default(),

11
components/script/dom/gpubuffer.rs
View file

@ -11,9 +11,8 @@ use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::globalscope::GlobalScope;
use dom_struct::dom_struct;
use ipc_channel::ipc::IpcSender;
use std::cell::Cell;
use webgpu::{WebGPUBuffer, WebGPUDevice, WebGPURequest};
use webgpu::{WebGPU, WebGPUBuffer, WebGPUDevice, WebGPURequest};
#[derive(MallocSizeOf)]
pub enum GPUBufferState {
@ -26,7 +25,7 @@ pub enum GPUBufferState {
pub struct GPUBuffer {
reflector_: Reflector,
#[ignore_malloc_size_of = "channels are hard"]
channel: IpcSender<WebGPURequest>,
channel: WebGPU,
label: DomRefCell<Option<DOMString>>,
size: GPUBufferSize,
usage: u32,
@ -38,7 +37,7 @@ pub struct GPUBuffer {
impl GPUBuffer {
fn new_inherited(
channel: IpcSender<WebGPURequest>,
channel: WebGPU,
buffer: WebGPUBuffer,
device: WebGPUDevice,
state: GPUBufferState,
@ -62,7 +61,7 @@ impl GPUBuffer {
#[allow(unsafe_code)]
pub fn new(
global: &GlobalScope,
channel: IpcSender<WebGPURequest>,
channel: WebGPU,
buffer: WebGPUBuffer,
device: WebGPUDevice,
state: GPUBufferState,
@ -90,6 +89,7 @@ impl GPUBufferMethods for GPUBuffer {
/// https://gpuweb.github.io/gpuweb/#dom-gpubuffer-unmap
fn Unmap(&self) {
self.channel
.0
.send(WebGPURequest::UnmapBuffer(self.buffer))
.unwrap();
}
@ -103,6 +103,7 @@ impl GPUBufferMethods for GPUBuffer {
_ => {},
};
self.channel
.0
.send(WebGPURequest::DestroyBuffer(self.buffer))
.unwrap();
*self.state.borrow_mut() = GPUBufferState::Destroyed;

73
components/script/dom/gpudevice.rs
View file

@ -25,11 +25,13 @@ use js::jsval::{JSVal, ObjectValue, UndefinedValue};
use js::typedarray::{ArrayBuffer, CreateWith};
use std::ptr::{self, NonNull};
use webgpu::wgpu::resource::{BufferDescriptor, BufferUsage};
use webgpu::{WebGPUBuffer, WebGPUDevice, WebGPURequest};
use webgpu::{WebGPU, WebGPUBuffer, WebGPUDevice, WebGPURequest};
#[dom_struct]
pub struct GPUDevice {
eventtarget: EventTarget,
#[ignore_malloc_size_of = "channels are hard"]
channel: WebGPU,
adapter: Dom<GPUAdapter>,
#[ignore_malloc_size_of = "mozjs"]
extensions: Heap<*mut JSObject>,
@ -41,6 +43,7 @@ pub struct GPUDevice {
impl GPUDevice {
fn new_inherited(
channel: WebGPU,
adapter: &GPUAdapter,
extensions: Heap<*mut JSObject>,
limits: Heap<*mut JSObject>,
@ -48,6 +51,7 @@ impl GPUDevice {
) -> GPUDevice {
Self {
eventtarget: EventTarget::new_inherited(),
channel,
adapter: Dom::from_ref(adapter),
extensions,
limits,
@ -59,6 +63,7 @@ impl GPUDevice {
#[allow(unsafe_code)]
pub fn new(
global: &GlobalScope,
channel: WebGPU,
adapter: &GPUAdapter,
extensions: Heap<*mut JSObject>,
limits: Heap<*mut JSObject>,
@ -66,7 +71,7 @@ impl GPUDevice {
) -> DomRoot<GPUDevice> {
reflect_dom_object(
Box::new(GPUDevice::new_inherited(
adapter, extensions, limits, device,
channel, adapter, extensions, limits, device,
)),
global,
GPUDeviceBinding::Wrap,
@ -78,7 +83,6 @@ impl GPUDevice {
unsafe fn resolve_create_buffer_mapped(
&self,
cx: SafeJSContext,
channel: ipc_channel::ipc::IpcSender<WebGPURequest>,
gpu_buffer: WebGPUBuffer,
array_buffer: Vec<u8>,
descriptor: BufferDescriptor,
@ -95,7 +99,7 @@ impl GPUDevice {
let buff = GPUBuffer::new(
&self.global(),
channel,
self.channel.clone(),
gpu_buffer,
self.device,
GPUBufferState::Mapped,
@ -165,25 +169,18 @@ impl GPUDeviceMethods for GPUDevice {
/// https://gpuweb.github.io/gpuweb/#dom-gpudevice-createbuffer
fn CreateBuffer(&self, descriptor: &GPUBufferDescriptor) -> DomRoot<GPUBuffer> {
let (valid, wgpu_descriptor) = self.validate_buffer_descriptor(descriptor);
let channel;
let (sender, receiver) = ipc::channel().unwrap();
if let Some(window) = self.global().downcast::<Window>() {
let id = window.Navigator().create_buffer_id(self.device.0.backend());
match window.webgpu_channel() {
Some(thread) => {
channel = thread.0.clone();
thread
.0
.send(WebGPURequest::CreateBuffer(
sender,
self.device,
id,
wgpu_descriptor,
))
.unwrap();
},
None => unimplemented!(),
}
self.channel
.0
.send(WebGPURequest::CreateBuffer(
sender,
self.device,
id,
wgpu_descriptor,
))
.unwrap();
} else {
unimplemented!()
};
@ -192,7 +189,7 @@ impl GPUDeviceMethods for GPUDevice {
GPUBuffer::new(
&self.global(),
channel,
self.channel.clone(),
buffer,
self.device,
GPUBufferState::Unmapped,
@ -209,26 +206,19 @@ impl GPUDeviceMethods for GPUDevice {
descriptor: &GPUBufferDescriptor,
) -> Vec<JSVal> {
let (valid, wgpu_descriptor) = self.validate_buffer_descriptor(descriptor);
let channel;
let (sender, receiver) = ipc::channel().unwrap();
rooted!(in(*cx) let js_val = UndefinedValue());
if let Some(window) = self.global().downcast::<Window>() {
let id = window.Navigator().create_buffer_id(self.device.0.backend());
match window.webgpu_channel() {
Some(thread) => {
channel = thread.0.clone();
thread
.0
.send(WebGPURequest::CreateBufferMapped(
sender,
self.device,
id,
wgpu_descriptor.clone(),
))
.unwrap()
},
None => return vec![js_val.get()],
}
self.channel
.0
.send(WebGPURequest::CreateBufferMapped(
sender,
self.device,
id,
wgpu_descriptor.clone(),
))
.unwrap()
} else {
return vec![js_val.get()];
};
@ -236,14 +226,7 @@ impl GPUDeviceMethods for GPUDevice {
let (buffer, array_buffer) = receiver.recv().unwrap();
unsafe {
self.resolve_create_buffer_mapped(
cx,
channel,
buffer,
array_buffer,
wgpu_descriptor,
valid,
)
self.resolve_create_buffer_mapped(cx, buffer, array_buffer, wgpu_descriptor, valid)
}
}
}

11
components/script/dom/window.rs
View file

@ -135,7 +135,6 @@ use style::str::HTML_SPACE_CHARACTERS;
use style::stylesheets::CssRuleType;
use style_traits::{CSSPixel, DevicePixel, ParsingMode};
use url::Position;
use webgpu::WebGPU;
use webrender_api::units::{DeviceIntPoint, DeviceIntSize, LayoutPixel};
use webrender_api::{DocumentId, ExternalScrollId};
use webvr_traits::WebVRMsg;
@ -267,10 +266,6 @@ pub struct Window {
#[ignore_malloc_size_of = "channels are hard"]
webgl_chan: Option<WebGLChan>,
#[ignore_malloc_size_of = "channels are hard"]
/// A handle for communicating messages to the WebGPU threads.
webgpu: Option<WebGPU>,
/// A handle for communicating messages to the webvr thread, if available.
#[ignore_malloc_size_of = "channels are hard"]
webvr_chan: Option<IpcSender<WebVRMsg>>,
@ -466,10 +461,6 @@ impl Window {
.map(|chan| WebGLCommandSender::new(chan.clone(), self.get_event_loop_waker()))
}
pub fn webgpu_channel(&self) -> Option<WebGPU> {
self.webgpu.clone()
}
pub fn webvr_thread(&self) -> Option<IpcSender<WebVRMsg>> {
self.webvr_chan.clone()
}
@ -2213,7 +2204,6 @@ impl Window {
navigation_start: u64,
navigation_start_precise: u64,
webgl_chan: Option<WebGLChan>,
webgpu: Option<WebGPU>,
webvr_chan: Option<IpcSender<WebVRMsg>>,
webxr_registry: webxr_api::Registry,
microtask_queue: Rc<MicrotaskQueue>,
@ -2292,7 +2282,6 @@ impl Window {
media_query_lists: DOMTracker::new(),
test_runner: Default::default(),
webgl_chan,
webgpu,
webvr_chan,
webxr_registry,
permission_state_invocation_results: Default::default(),

6
components/script/script_thread.rs
View file

@ -164,7 +164,6 @@ use style::dom::OpaqueNode;
use style::thread_state::{self, ThreadState};
use time::{at_utc, get_time, precise_time_ns, Timespec};
use url::Position;
use webgpu::WebGPU;
use webrender_api::units::LayoutPixel;
use webrender_api::DocumentId;
use webvr_traits::{WebVREvent, WebVRMsg};
@ -630,9 +629,6 @@ pub struct ScriptThread {
/// A handle to the WebGL thread
webgl_chan: Option<WebGLPipeline>,
/// A handle to the WebGPU threads
webgpu: Option<WebGPU>,
/// A handle to the webvr thread, if available
webvr_chan: Option<IpcSender<WebVRMsg>>,
@ -1339,7 +1335,6 @@ impl ScriptThread {
layout_to_constellation_chan: state.layout_to_constellation_chan,
webgl_chan: state.webgl_chan,
webgpu: state.webgpu,
webvr_chan: state.webvr_chan,
webxr_registry: state.webxr_registry,
@ -3201,7 +3196,6 @@ impl ScriptThread {
incomplete.navigation_start,
incomplete.navigation_start_precise,
self.webgl_chan.as_ref().map(|chan| chan.channel()),
self.webgpu.clone(),
self.webvr_chan.clone(),
self.webxr_registry.clone(),
self.microtask_queue.clone(),